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GB/T 21098-2007
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 4: Guidelines and general information
GB/T 5169.14-2007
Fire hazard testing for electric and eletronic products - Part 14: Test flames-1kW nominal pre-mixed flame - Apparatus,confirmatory test arrangement
GB/T 5169.1-2007
Fire hazard testing for electric and eletronic products - Part 1: Terminology concerning fire tests
GB/T 21067-2007
Electrical equipment of industrial machines - Electromagnetic compatibility - Immunity of general requirements
GB/T 10230.2-2007
Tap changers - Part 2: Application guide
GB/T 10230.1-2007
Tap-changers - Part 1: Performance requirements and test methods
GB 17201-2007
Combined instrument transformers
GB/T 20995-2007
Power electronics for electrical transmission and distribution systems - Testing of thyristor valves for static VAR compensators
GB/T 18802.341-2007
Components for low-voltage surge protective devices - Part 341: Secification for thyristor surge suppressors(TSS)
GB/T 18802.331-2007
Components for low-voltage surge protective devices - Part 331: Secification for metal oxide varistors(MOV)
GB/T 18802.321-2007
Components for low-voltage surge protective devices - Part 321: Specifications for avalanche breakdown diode(ABD)
GB/T 20990.1-2007
Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1: Electrical testing
GB/T 20989-2007
Determination of power losses in high-voltage direct current (HVDC) converter stations
GB/T 13498-2007
Terminology for high - voltage direct current（HVDC) transmission
GB/T 1094.11-2007
Power transforments - Part 11: Dry-type transformers
GB/T 20939-2007
Structuring principles for technical products and technical product documentation - Letter codes - Main classes and subclasses of objects according to their purpose and task
GB/T 156-2007
Standard voltages
GB/T 3926-2007
Rated voltages for medium frequency equipment
GB 19212.14-2007
Safety of power transformers,power supply units and similar devices - Part 14: Particular requirements for auto-transformers for general use
GB 19212.10-2007
Safety of power transformers,power supply units and similar devices - Part 10: Particular requirements for transformers for class III handlamps for tungsten filament lamps